Doing 10 sets of a single exercise for 10 reps is a time-tested, deceptively simple formula for serious muscle gains. If youre ready to build serious mass, try German volume training on for size!

Doing 10 sets of a single exercise for 10 reps is a time-tested, deceptively simple formula for serious muscle gains. If youre ready to build serious mass, try German volume training on for size!

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